Analog Related Resources
The MCP73837 and MCP73838 based charger is suitable for portable applications. It is fully integrated linear Li-Ion / Li-Polymer battery chargers with autonomous power source selection. It has small physical size and only need low number of external components to make it works. The MCP73837 support Power-Good Monitor while MCP73838 has Timer Enable feature.
This simple circuit is used to detect variations in electromagnetic fields around us. It based on an instrumentation amplifier INA122 for Texas instrument. As sensing element, the detector is equipped with Inductor (100uH-1mH). The output is routed out to oscilloscope through a BNC connector. A 9v battery is used to power the circuit.
If you want to make your laptop/notebook sound louder, you can add simple Audio Amplifier like this project. Built based on IC LA 4440, the amplifier only need few passive components. This dual channel audio power amplifier has low distortion over a wide range of low to high frequencies with good channel separation. Its built-in […]